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Topic: What is arcch(x) and arctg(x) ???
Replies: 1   Last Post: Nov 26, 2012 1:47 PM

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Posts: 1
Registered: 11/23/12
What is arcch(x) and arctg(x) ???
Posted: Nov 23, 2012 8:17 AM
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is arcch(x) arcus cosinus hyperbolic , and arctg(x) arcus tangens?

arctg can be arcus cotanges?! :D

i hate these arcus...

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